*{
    margin: 0;
    padding: 0;
}
ul{
    list-style: none;
}
a{
    text-decoration: none;
}

.font-a:hover{
        color: #31c27c;
        cursor: pointer;
}
.auto{
    margin: 0 auto 0;
}
.flex{
    display: flex;
}
body, button, input,a {
    color: #000 ;
    background-color: #fff;
}